Calendar.



Patented Sept. I8, |900.

N. o S Du H .C A Z A.

C A L E N D A R.

(Application filed Nov. 7y 1899.

(No Model.)

i753v i952 INCLUSIVE ma ligar 01H7."v

lmlepto'r,

mys.

No. 658,309. Emma sept; lsQlsoo.- -A. zAcHmsson.

-CALENQAR u Application med Nov. 7, 1899.,

. (nu nodal.)

5 sheets-sheet 2Q 1 1 l `1 1 l 1 I l l l l l l l l l 1 l l l l I l l l 1 I z f l l m .v

diy Zachrssoo'. Inv'otor, I;

'17; ttomeys.

ENo. 658,309. Patented Sept.'l8, |900. A. ZAC'HRISSUN.

CALENDAR.

[Application led Nov. 7, 1899.)

5 Sheets-Sheet 3'.

(Nu Model.)

as@ *o 1900.A

al Nov.

.plc uL Feb.

Witnesses Patented sept. l, 900. A. zAcHmssoN. v

cALennA'n. (Ansmann nlxd No. 7, 1899.)

* 5 Shaets-Shet 4,

Od`olj Znnbnssop, Inventor;

Patented Sept. I8. |900.

A. zAHmssoN.

C A L E N D A R. `Application i1 ed Nov.

5 Sheets-She'et ,5

(No Model.)

ill/Il /l/l//IIIWII ance,

UNITED lSIWPES PATENT AnoLF zAcHRissoN, oF PERTH CENTRE, cAN'AnA.

CALENDAR.

srncir'rca'rron forming pari of Letters Patent Nectarine, dated septemberA 18,*,19oeg 5 Appuvaeon una November 7,1399. serie 11. 736,170. no man.)

To all whom it mayconcerm Beit known that I, ADoLF. ZAcHRIssoN, a subject of the Kingof Sweden and Norway, (buthaving made oath as to my intention to become a citizen of the United States) residing.

at Perth Centre, county of Victoria, Province of New Brunswick, Canada, have invented certain new and useful Improvements in Calendars; `and I do hereby declare that the following is a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

Myinvention has relation to calendars, and has particular relation to improvements in the class of devices known as universal or perpetual calendars.

One object of my invention is to provide a device of this character with a minimum numher of members movable relatively to each other andin which the user is enabled t-o find the day of the week or the date in the month without the use of`calculations,beingrequired only to know the year and month of the required day or date to enable the proper set ting of the members relatively to each other.

`A further object is to provide a construction in which the years are arranged in sequential order, including the leap-years, which latter are arranged distinctive, saidl arrangement, coacting with the vtwo independent series of months, one series being .for use with ordinary years, lthe other series being adapted for use with the leap-years, said latter series having the same distinctive features vas the leapyear.`

A further object is to provide a construc' tion in which the year and days of the week are arranged on one member, both in sequence, the remaining member carrying the months and the dates in the month, saidmembers being movable relatively'to each other.

A further object is to provide a construcl tion in which the years are arranged in pe riods, including a leap-year, said periods being arranged in sequential series.

A iurther object is to provide a construction which is neat and attractivein appeardurable in construction, simple and eilicient in operation, and which can be made at a low cost.

will beclearly perceived as the invention is hereinafter described, lsaid invention consists in the' improved construction, combination, and arrangement ofparts,as hereinafter fully.

described, illustrated in the accompanying drawings,formin g a. part of this specification,

and particularly pointed out in the' appended claims. y

In the drawings, in which similar reference characters indicate similar 'parts in all of the views, Figurel lisa face'view of one form of the calendar, showing the members as pivotally connected, the. upper member being provided with slots to expose certain portions of the lower member. Fig. 2 is a' central cross-sectional View of the samer` Fig. 3 is a .face view of another form of the calendar, the members being pivot'ally connected, the

upper member hiding but a small port-ion of .the lowermemb'er. Fig. 4 is a central crosssectional view of the same. Fig. 5 isa face view of another form of the calendar, the.

members beingslidably connected, a portion oi? the lowermember being exposed.-4 Fig. 6

is a central longitudinal sectional view of the same. Fig. 7 is a face view of'another form of the calendar, dilering from that disclosed in Fig. 5, in that both sides of the lower member are adapted for use, said membe'irhaving` a portion ofthe data located on its"opposite sides adapted to operate in connection with in Fig. 9 to show themauner in which the calendar is arranged on the arts. `I "ig.,11 is "data, placed on the upper member.:V Fig. 8 is .afaceviewshowingamodie arrangementof parts of the data, including the use of but the f ast two'igur'es of each yearin 'a century, the century being indicated at one point, and also by providing but-aportion`of the months in the independent series of `months for corre.- sponding withleap-year. Fg. 12 isa central sectional view ofthe construction-shown in Fig. 11. l

"Different forms of' calendars of this `class have been heretofore prcvided;=but in each of these disadvantages appearmostlydue to To these and other ends,the nature of which i the multiplicity of members and the requirements of calculations being made.

5` fact that any-requirement of calculation or substitution (as inthe use of akey) tends to make the device dicultto understand, tends to lead to errors, &c., which cannot be readily detected, in addition-to which a great deal of time must be spent in deciphering the -mechanism to obtain the proper result. In the present invention, 'of which six dilerent forms are presented in-the drawings` all of which have substantially the same generalarrangement, diiering only in the manner of ,connection and the shape of-the members, and in the case of the form shown in Figs. 1l and 12, i'n which the arrangement of the periods differs somewhat to a certain extent, as hereinafter set forth, there are provided but two members, 'movable relatively to each other, each member being so arranged-that when the proper year and month are brought into alinement, either radially or horizontally, the proper day of the week is shown in alinement with the days of the months, but one movement of the members being required, and as the years are arranged in sequential order, the months being practically arranged in the same order and manner, there is no requirement of unnecessary delay in bringing the proper year and month in alinement. In addition to this, the year, month, days ot the month, and days of the week being in alinement and all visible it will be plainly apparent that the liability of errors being made is rendered nugatory. By giving the 'leap-years-a distinctive designation without removing them from their proper" -position in the sequence of years and forming a separate seriesof months possessing the samedistinction, said series coperating solely with the leap-years, prevents any liability of errors being made when determining dates in leapfyears, this being the point where the greatest liability of mistakes being made is located. The arrangement of the years in sequential order and lthe proper relation of the numerals form periods, generally of four years each, each period havinga leap-year, thearrangement being such that a leap-year either begins a period, as shown in Fig. ll, or forms the termination of a period, as shown in the remaining five forms of device. These periods are arranged in sequential or successive order, as Vwill be readily seen by`the illustrations, so that it is necessary only to follow the numbers in their regular order to find the proper year. As above stated, those periods are arranged generally in periods of four years each, but as' each of the centuries given- 1800 and 1900are not leap-years, although holding the position of the ordinary leap-year, the forming of separate periods where these numbers begin or end the regular period of four years is not possible, and hence the periods in which-these numerals are'found are formed substantially of eight years.

In the drawings, l designates the upper or face member, and 2 the lower or inner member. These are mounted to move relatively to each other either pivotally, as shown in Figs. l, 3, and 11, or slidably, as shown in Figs. 5, 7, and 9, the face member in the lat- .ter construction being arranged in cylindrical form, practically sliding over the lower member in a rotary direction. In each of these forms the face member carries theY days of the month, together with the months, the latter being arranged in two independent series having distinctivev designations corresponding to the designations of the years and leapyears. The two members are arranged in such manner that when the proper month and year are brought in alinement, the years and the days of the week being carried by the lower or inner member, the days of the mouth will be in proper alinement with the days of the week lupon which said days of the month will fall, the year, month, days of the month, and days of the week which are being sought for or used being visible, thus rendering the making of errors impossible. Inl order that these parts may be visible at this time, the face member l may be arranged with openings 3, adapted to expose the years in juxtaposition to the months and to expose the days of the Week in juxtaposition to the days of the month, as shown in Figs. 1, 5, 7, and ll; but other means may be provided, such as shown in Fig. 3 or in Fig. 9, the former construction having all of the portions exposed with the exception of a porvtion of the years, while in the latter construction all of the parts are exposed.

In' placing the years in position they are *arranged substantially in periods of four years each, (with the exception heretofore noted,) the periods following each other so that the years are arranged in sequential order. This is advantageous, in view of the fact that each period begins or terminates a leap-year, and the fact that a practicallyblank space is formed in juxtaposition to the leap-year causes this year to stand out promi- 'ric nently. By thus arranging the years, how x ever, I am able to retain the sequential order, which would not be the case were the arrange ment of years continuous without beingA divided into periods, as shown. The leap-years, however, are made more distinctive from the common years by the use either of different styles of lettering, diercnt colors of ink, or

by having them arranged. upside down, as shown in Figs. 9 and l0, it being understood, of course, that whatever distinctive designation is used the' months adapted. to be used and cooperating with the leap-years will possess the same distinctive designation or feature. The common years and their respective months also possess similar distinctive designations. In this manner the moment the desired year is found, whether common or' leap year, the, user will know which series of months are to' be used therewith. y The arrangement of months differs somewhat in the calendar shown in Fig. 1l7 in that instead of making two entirely distinct series et', months, one for the common years and on, *for the leap-years, only the two months,

January and Februal-y, are shown in n'plicate, the remaining months being used with both common and leap year. In this arrangement I also place at the head of the opening in which the years are exposed the century numbers, the last two numbers ofA the years only being carried on theinner member, making a less-confusing calendar. l 1 In the drawings, I have indicated the leaplyears and their respective series ot' months by horizontal lines, this serving to indicate that some distinctive method of'indicating the leap-yeals is used, as hereinbefore set forth.

The operation of the device is exceedingly simple and is believed to have been pointed out with suiiicient clearnes's in the above description, it consisting entirely in bringing the desired year and month into alinement.

tion, between which the to each other.

When this is done, the days of the month and of the week will be found in proper relation vThe advantages consist,among other things, in the simplicity and efciency of operation, itsllow cost of manufacture, th'e non-liability of the parts becominginoperative, and the arrangement of parts relatively to each other, so that a minimum lamount of labor and time is requiredin acquiring the information desired. s shown in the drawings, the calendar, en arranged to haveaslidable movement, should be constructed with a back portion or the face member should -have an opening within'which the inner member may have a true movement. This is also true in the construction shown in Figsll and 12, wherein a back portion is shown, forminga space between the front member 1 and its back porportion 2 is adapted to rotate.

I have in practice constructed the calendars of heavy pasteboard, the years, dsc., being printed thereon; but it is to be understood that other material which' is suitable may be used, and especially as in connection with the construction of the pencil-tip, where the parts may be composed of metal.

Having thus described my invention, What I claim as new is- 1. A calendar of the character described,

Acomprising two members mounted to have a movement relative to each other, one of said members carrying the years and the days of the week, the other member lcarrying the days of the month and a plurality of series of months, one of said series being adapted to be used solely in connection with leap-years substantially as described.

2. A calendar, comprising two members mounted to have a movement relative to each other, one of said members carrying the years arranged in sequential order and the days of the week,the other member carrying the days of the month and a plurality of 'series of months, one of said series being adapted to be used sole/ly in connectionwith leap-years, substantially as described.

3; A calendar, comprising two members mounted to have a movement'relative to each other, one of said members carrying the years arranged in periods of substantially four years each, each period having a leapyear at one end thereof, each leap-year having a die- Ifinctive designation, said years and periods being in sequential order, said member also carrying the days of the week, the otherrnem ber carrying a plurality of series of months, oneof said series havingthe same distinctive designation as said leap-years and :coperating solely therewith and also carrying the days of the month, substantially as described.

4. In a calendar of the class described, the combination of a series of years arranged in seqnentialorder, said series having the lea@ years of ahdistnctive designation; and a plurality of series of months, 'one of said series having the same distinctive feature as .the

leap-years, said series being adapted to co operate solely with said leap-years, substantially as described. l

In Witness Whereo I have hereunto set my hand in the presence of two witnesses.

' ADOLF ZACHRISSON.

itnessesz RoY C. MURPHY, Trios. LAWSON. 

